400420400006 has 8 divisors (see below), whose sum is σ = 655233381864. Its totient is φ = 182009272720.

The previous prime is 400420399999. The next prime is 400420400021. The reversal of 400420400006 is 600004024004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9100463615 + ... + 9100463658.

It is an arithmetic number, because the mean of its divisors is an integer number (81904172733).

Almost surely, 2^400420400006 is an apocalyptic number.

400420400006 is a deficient number, since it is larger than the sum of its proper divisors (254812981858).

400420400006 is a wasteful number, since it uses less digits than its factorization.

400420400006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200927286.

The product of its (nonzero) digits is 768, while the sum is 20.

The spelling of 400420400006 in words is "four hundred billion, four hundred twenty million, four hundred thousand, six".